Keywords Extraction in Vertical Domain Based on Global Knowledge and Local Semantic Relations.
Li DuanHaojun FengShukan LiuPublished in: EITCE (2020)
Keyphrases
- semantic relations
- global knowledge
- wordnet
- keywords
- semantic relationships
- relation extraction
- noun phrases
- co occurrence
- semantic network
- ontology learning
- web pages
- domain specific
- natural language processing
- lexical chains
- information extraction
- knowledge sources
- semantic structure
- global information
- dependency relations
- text documents
- word pairs
- automatic extraction
- natural language
- knowledge based systems
- keyword extraction
- visual features
- semantic information
- search engine
- lexical knowledge